Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304234 | Gas separation process and unit therefor | Toru Takatsuka, Ryuichiro Kajiyama, Yoshimi Okada, Seiya Hirohama, Tetsuo Shibagaki | 1994-04-19 |
| 5283892 | Method and apparatus for file operation | Keiichi Nakane, Kazunari Suzuki, Junichi Seki, Hiroshi Kodaka, Tadashi Kuwabara | 1994-02-01 |